Home / 40,467.04-60,707.48-12,386.40

Finding the Fourth Proportional to 40,467.04, 60,707.48 and 12,386.40

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Solution

The fourth proportional to 40,467.04, 60,707.48 and 12,386.40 is: 18,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,467.04 : 60,707.48 = 12,386.40 : x
  2. Step 2: Convert to fraction form
    40,467.04/60,707.48 = 12,386.40/x
  3. Step 3: Cross multiply
    40,467.04x = 60,707.48 × 12,386.40
  4. Step 4: Simplify right side
    40,467.04x = 751,947,130.27
  5. Step 5: Solve for x
    x = 751,947,130.27/40,467.04
  6. Step 6: Final answer
    x = 18,581.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.